Whether Remain or Leave the last three years have shown that many MP's are not fit for purpose. At any election the choice is of a limited amount of names representing either themselves or a specific national party. We often vote to support our party for someone we either do not know or like.
You may be interested in these active petitions
By allowing "None of the Above" to be added to the ballot paper it would give the voters an option to show their displeasure at the candidates put in front of them.
Should "None of the Above" have more votes than any other candidate then the election in that constituency would have to be re-run with all new candidates.